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(11)

EP 2 231 653 A1

(12)

(43) Date of publication: 29.09.2010 Bulletin 2010/39 (21) Application number: 08859786.9 (22) Date of filing: 12.12.2008

(51) International Patent Classification (IPC):  C07D 417/04(2006.01) C07D 471/04(2006.01) A61K 31/428(2006.01) C07D 417/14(2006.01) C07D 513/04(2006.01) A61P 31/04(2006.01) (86) International application number: PCT/GB2008/004114 (87) International publication number: WO 2009/074812 (18.06.2009 Gazette 2009/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 13.12.2007 GB 0724342 (71) Applicant: Biota Europe Ltd Yarnton Oxfordshire OX5 1PF (GB)	(72) Inventors: HAYDON, David, John Oxfordshire OX5 1PF (GB) CZAPLEWSKI, Lloyd, George Oxfordshire OX5 1PF (GB) (74) Representative: Walls, Alan James et al Alan Walls (IP) Ltd. P.O. Box 223 Tadworth, Surrey KT20 5YF Tadworth, Surrey KT20 5YF (GB)